Vessel cap and system for manufacturing the same

Abstract From the Canadian patent

A vessel cap comprises a body mounted at a vessel inlet through which a liquid material stored in a vessel is discharged outwardly and having a certain space therein, a pressing plate disposed in the body to be movable in upperand lower directions, a cutter formed at an edge of a lower surface of the pressing plate in a circumferential direction for penetrating a sealing member when the pressing plate is pressed and cutting the sealing member when the body is rotated, a hooking member downwardly protruding at the lower surface of the pressing plate for storing the sealing member cut by the cutter in the body and a connection portion formed between an outer circumferential surface of …